IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0366529
(2009-02-05)
|
등록번호 |
US-8163429
(2012-04-24)
|
발명자
/ 주소 |
- Markoski, Larry J.
- Natarajan, Dilip
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
67 |
초록
▼
A fuel cell comprises an anode comprising an anode catalyst, a cathode comprising a gas diffusion electrode and a cathode catalyst on the gas diffusion electrode, a microfluidic channel contiguous with the anode, and a liquid comprising fuel in the channel. The concentration of the fuel in the liqui
A fuel cell comprises an anode comprising an anode catalyst, a cathode comprising a gas diffusion electrode and a cathode catalyst on the gas diffusion electrode, a microfluidic channel contiguous with the anode, and a liquid comprising fuel in the channel. The concentration of the fuel in the liquid is 0.05-0.5 M.
대표청구항
▼
1. A method of generating electricity, comprising operating a fuel cell comprising an anode comprising an anode catalyst,a cathode, comprising a gas diffusion electrode, anda cathode catalyst on the gas diffusion electrode,a microfluidic channel contiguous with the anode, anda liquid comprising fuel
1. A method of generating electricity, comprising operating a fuel cell comprising an anode comprising an anode catalyst,a cathode, comprising a gas diffusion electrode, anda cathode catalyst on the gas diffusion electrode,a microfluidic channel contiguous with the anode, anda liquid comprising fuel and electrolyte, in the channel,wherein the concentration of the fuel in the liquid is 0.05-0.5M,the liquid flows through the fuel cell at a stoichiometric fuel flow rate of 3-30 mmol/(A·min.),the fuel cell produces a current density of at least 100 mA/cm2,the microfluidic channel has a dimension less than 400 micrometers, andthe liquid is recirculated through the channel. 2. The method of claim 1, wherein the fuel is methanol. 3. The method of claim 2, wherein the concentration of the fuel in the liquid is 0.1-0.3M. 4. The method of claim 2, wherein the concentration of the fuel in the liquid is 0.1-0.2M. 5. The method of claim 2, wherein the fuel cell produces a current density of at least 150 mA/cm2. 6. The method of claim 3, wherein the liquid flows through the fuel cell at a stoichiometric fuel flow rate of 3-10 mmol/(A·min.). 7. The method of claim 3, wherein the liquid flows through the fuel cell at a stoichiometric fuel flow rate of 3-7 mmol/(A·min.). 8. The method of claim 3, wherein the fuel efficiency of the fuel cell is at least 70%. 9. The method of claim 3, wherein the fuel efficiency of the fuel cell is at least 80%. 10. The method of claim 3, wherein the fuel efficiency of the fuel cell is at least 85%. 11. The method of claim 3, wherein the fuel cell produces a current density of at least 150 mA/cm2. 12. The method of claim 1, wherein the liquid flows through the fuel cell at a stoichiometric fuel flow rate of 3-10 mmol/(A·min.), and the fuel is methanol. 13. The method of claim 1, wherein the liquid flows through the fuel cell at a stoichiometric fuel flow rate of 3-7 mmol/(A·min.), and the fuel is methanol. 14. The method of claim 1, wherein the fuel efficiency of the fuel cell is at least 80%, and the fuel is methanol. 15. The method of claim 1, wherein the fuel efficiency of the fuel cell is at least 70%, and the fuel is methanol. 16. The method of claim 1, wherein the fuel efficiency of the fuel cell is at least 85%, and the fuel is methanol. 17. The method of claim 1, wherein the channel has a dimension less than 300 micrometers. 18. The method of claim 1, wherein the channel has a dimension less than 250 micrometers.
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